<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>禁止网页复制粘贴</title>
</head>
<body>
<div>你能复制我，我请你吃清补凉</div>
<script>
const html = document.querySelector('html')
html.oncopy = () => false
html.onpaste = () => false
</script>
</body>
</html>